From 13e2a326396c18eb56c293c769c2c90955b14a0d Mon Sep 17 00:00:00 2001
From: Philipp Deppenwiese <zaolin.daisuki@gmail.com>
Date: Fri, 23 Nov 2018 19:01:12 +0100
Subject: [PATCH] soc/fsp_broadwell_de: Add early microcode updates

Add support for updating microcodes on FSP 1.0 platforms
before memory is initialized. This is a requirement to
fill other FIT entries except for microcode updates.

Change-Id: Ie31acaf0fc41c51b9edf65b981d43d7732661770
Signed-off-by: Philipp Deppenwiese <zaolin.daisuki@gmail.com>
Reviewed-on: https://review.coreboot.org/c/29819
Reviewed-by: Arthur Heymans <arthur@aheymans.xyz>
Reviewed-by: Huang Jin <huang.jin@intel.com>
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
---
 src/drivers/intel/fsp1_0/fsp_util.c | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/src/drivers/intel/fsp1_0/fsp_util.c b/src/drivers/intel/fsp1_0/fsp_util.c
index a09b1b141c..71f64161cc 100644
--- a/src/drivers/intel/fsp1_0/fsp_util.c
+++ b/src/drivers/intel/fsp1_0/fsp_util.c
@@ -22,6 +22,7 @@
 #include <lib.h> // hexdump
 #include <ip_checksum.h>
 #include <timestamp.h>
+#include <cpu/intel/microcode.h>
 
 #ifndef __PRE_RAM__
 /* Globals pointers for FSP structures */
@@ -75,6 +76,10 @@ void __noreturn fsp_early_init (FSP_INFO_HEADER *fsp_ptr)
 	UPD_DATA_REGION fsp_upd_data;
 #endif
 
+	/* Load microcode before RAM init */
+	if (IS_ENABLED(CONFIG_SUPPORT_CPU_UCODE_IN_CBFS))
+		intel_update_microcode_from_cbfs();
+
 	memset((void *)&FspRtBuffer, 0, sizeof(FSP_INIT_RT_BUFFER));
 	FspRtBuffer.Common.StackTop = (u32 *)CONFIG_RAMTOP;
 	FspInitParams.NvsBufferPtr = NULL;